Potentiometers, Trimmers & Rheostats

A potentiometer, trimmer, and rheostat are all three types of resistors that are adjustable. They are used to control the electric current by varying the resistance in the circuit. A potentiometer is an adjustable three-terminal resistor with a sliding contact (wiper) that moves across a resistive element to change resistance in a circuit. They are used in audio controls, light dimmers, and other applications that require adjustable resistance in the circuit. A trimmer is a miniature version of a potentiometer, and it’s used to make fine adjustments in electronics circuits. It can be used for voltage and current adjustments, and for tuning circuits for maximum performance. A rheostat is an adjustable two-terminal rotor, and it’s used to control the current in a circuit. It’s often used to control the speed of a motor or other electrical device.
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RJR24FW504M


TRIMMER-3/8in SQMT CERMET M
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Bourns 143
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AUD 12.6353
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E-200-F1-352


Rheostats
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Ohmite 143
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AUD 89.7985
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70J1G032S202A


Res Conductive Plastic Potentiometer
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Honeywell 143
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AUD 158.7146
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PTA1543-2010CIB203


Bourns Slide Potentiometers 10MM SHAFT NO DET 15MM STRK SNG LIN
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Bourns 142
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AUD 1.2363
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3386B-1-105LF


Trimmer Resistors - Through Hole 3/8" 1Mohms 10% 0.5Watts Square
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Bourns 142
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AUD 2
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3329W-1-202LF


Trimmer Resistors - Through Hole 1/4"RND 2KOHMS 10% 0.5WATTS
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Bourns 142
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AUD 3.6448
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ST-5EW103


Trimmer Resistors - SMD 10 KW 6mm SMD multi turn Gull wing, top adj.
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Nidec Copal 142
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AUD 3.5955
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ST-5ETP502


Res Cermet Trimmer 5K Ohm 10% 1/4W 11(Elec)/14(Mech)Turn 1.6mm (6 X 8.75 X 4.3mm) Gull Wing SMD T/R
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Nidec Copal 132
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AUD 3.4822
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3299P-1-104LF


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 119
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AUD 2.4463
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5-1676003-7


CP16 100RA 6X45 NUTS FITTED
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TE Connectivity 71
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AUD 3.5849
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